<div style="min-height: 792px;">
	<div class="jsz"></div>
</div>
<style type="text/css">
	.jsz {
		background-image: url(img/jsz.gif);
		background-repeat: no-repeat;
		background-position: center;
		width: 960px;
		margin-right: auto;
		margin-left: auto;
		height: 600px;
	}
</style>